AskOxford.com
- http://www.askoxford.com/
- For questions on English grammar, spelling, and usage; to search a dictionary of words, names or quotations; for help with writing; for crosswords and puzzles.
Die.net Online Dictionary
- http://dict.die.net/
- Cross-referenced definitions, spelling correction, and searches from WordNet, Webster's, and a variety of specialized sources. Supports regular expressions and the DICT protocol.
HyperDic
- http://www.hyperdic.net/
- Based on the WordNet lexical database and thesaurus, this dictionary covers only a selection of the most frequent English words. Includes synonyms, antonyms, examples and pronunciation, and links between related words.
The Jargon Database
- http://www.jargondatabase.com
- A repository of popular neologisms, management speak, and technical terms relevant to various regions, jobs, and cultures, and organized by categories.
The Wordsworth Compendium
- http://dictionary-thesaurus.com/
- Program containing over 516,000 English words and phrases to solve word puzzles. Useful for the search and manipulation of words in all aspects of logological activities.